Overview:Marijuana's plant roots run deep in America and Henry digs up its long and complicated history; from its strange origins, to top-secret government programs.
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First Air Date: Feb 27, 2012Last Air date: Oct 25, 2014Season: 3 SeasonEpisode: 26 EpisodeRuntime: 30:14 minutesQuality: HDIMDb: 5.1 / 10 by 4 usersPopularity: 12.996Language: en
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